ISIS released a new, hastily-produced video today using one of its last known western hostages – British journalist John Cantlie, who hasn't been seen since a video appearance five months ago – making coerced statements from the rubble of besieged Mosul, Iraq at the site of an apparent coalition

President Obama finally mailed a donation by check to the family foundation set up to further the humanitarian goals of slain American hostage Kayla Mueller , after ABC News reported that for more than a year a private presidential promise went unfulfilled. The Obamas' check for the Kayla's Hands

Even after a failed U.S. Special Forces hostage rescue mission in Syria, the launch of hundreds of coalition airstrikes and the subsequent video beheadings of three hostages, ISIS offered hope to Carl and Marsha Mueller that made them believe paying a ransom could still bring their captive daughter

Reporter: It was two years ago this summer that Americans were hearing about Isis for the first time, as its leader Abu Bakr Al baghdadi emerged from the shadows, presenting a threat that was now greater than Al Qaeda. But there was no mention in the news of the American hostages, Kayla Mueller,

President Obama will make a financial contribution to a memorial foundation for slain ISIS hostage Kayla Mueller, the White House said today, but a spokesperson couldn’t explain why he hasn’t donated in the 17 months since her parents say he made a heartfelt pledge to them. Obama spokesperson Josh

American hostage Kayla Mueller was tortured, verbally abused, forced into slave labor for ISIS commanders in Syria and raped by the group’s top leader, but her fellow hostages say she never surrendered hope, selflessly put the welfare of fellow captives above her own and even stood up to

A new book published this month is a dramatic account of the kidnapping and torture of Danish freelance photographer, Daniel Rye Ottosen, held hostage by ISIS in a Syrian oil refinery-turned-prison in one small room with Americans James Foley , Steven Sotloff and Petter Kassig and next to American

American aid worker Kayla Mueller , 26, was kidnapped by the terror group ISIS in Syria in 2013 and held until she was killed 18 months later. A new investigation by ABC News' "20/20" reveals for the first time the behind-the-scenes struggle to get Kayla back and how Kayla's parents say they felt